<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">数据统计</a></el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 2. 为 ECharts 准备一个具备大小（宽高）的 DOM -->
      <div id="main" style="width: 700px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1.导入echarts
import * as echarts from "echarts";
import _ from 'lodash'

export default {
  name: "Report",
  data() {
    return {
      // 需要合并的数据
         option : {
            title: {
                text: 'ECharts 入门示例'
            },
            tooltip: {},
            legend: {
                data:['销量']
            },
            xAxis: {
                data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
            },
            yAxis: {},
            series: [{
                name: '销量',
                type: 'bar',
                data: [5, 20, 36, 10, 10, 20]
            }]
        }
    };
  },
  created() {},
  async mounted() {
    // 3. 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
        const { data:res } = await this.$http.get('reports/type/1')
         if (res.meta.status !== 200) {
        return this.$message.error("获取折线图数据失败");
      }
         //4.  指定图表的配置项和数据
        const result = _.merge(res.data,this.option)
        // 5. 展示数据
        myChart.setOption(result);
  },
  methods: {},
};
</script>

<style>
</style>